Hysteresis compensation in a piezo-hydraulic actuator using heuristic phase correction of periodic trajectories
Research output: Contributions to collected editions/works › Article in conference proceedings › Research › peer-review
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Proceedings of the IECON 2016 - 42nd Annual Conference of the Industrial Electronics Society. IEEE - Institute of Electrical and Electronics Engineers Inc., 2016. p. 565-570.
Research output: Contributions to collected editions/works › Article in conference proceedings › Research › peer-review
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TY - CHAP
T1 - Hysteresis compensation in a piezo-hydraulic actuator using heuristic phase correction of periodic trajectories
AU - Haus, Benedikt
AU - Mercorelli, Paolo
AU - Werner, Nils
N1 - Conference code: 42
PY - 2016/12/21
Y1 - 2016/12/21
N2 - The paper deals with a heuristical approach to compensate friction hysteresis in an aggregate actuator which is proposed to be applied in a camless engine system and which consists of piezoelectric, mechanic and hydraulic components. The hydraulic displacement amplifier shows a conspicuous hysteresis effect that appears to be a dead time that depends on the speed of the engine. In general, with high engine speeds, the dead time effect is reduced. The compensation of the hysteresis effect is not model-based since the real time application must run within a very short time. The presented approach consists of an adaptive pre-action on the desired servo piston trajectory which is generated by a feedforward action fed by phase-variable Gaussian curves as desired valve trajectories. Simulations show the effectiveness of the proposed compensating techniques.
AB - The paper deals with a heuristical approach to compensate friction hysteresis in an aggregate actuator which is proposed to be applied in a camless engine system and which consists of piezoelectric, mechanic and hydraulic components. The hydraulic displacement amplifier shows a conspicuous hysteresis effect that appears to be a dead time that depends on the speed of the engine. In general, with high engine speeds, the dead time effect is reduced. The compensation of the hysteresis effect is not model-based since the real time application must run within a very short time. The presented approach consists of an adaptive pre-action on the desired servo piston trajectory which is generated by a feedforward action fed by phase-variable Gaussian curves as desired valve trajectories. Simulations show the effectiveness of the proposed compensating techniques.
KW - Engineering
UR - http://www.scopus.com/inward/record.url?scp=85010064678&partnerID=8YFLogxK
U2 - 10.1109/IECON.2016.7793975
DO - 10.1109/IECON.2016.7793975
M3 - Article in conference proceedings
AN - SCOPUS:85010064678
SP - 565
EP - 570
BT - Proceedings of the IECON 2016 - 42nd Annual Conference of the Industrial Electronics Society
PB - IEEE - Institute of Electrical and Electronics Engineers Inc.
T2 - IECON 2016 - 42nd Annual Conference of the IEEE Industrial Electronics Society
Y2 - 24 October 2016 through 27 October 2016
ER -